Full list of all 62 Serious Sam 3: BFE achievements. It takes around 60-80 hours to unlock all of the achievements in the base game on Windows.
The base game contains 61 achievements, and there is 1 DLC pack containing 1 achievements.
Decorate the Christmas tree on each level to unlock Rodolfo player model.
Decorate the Christmas tree.
Complete The Guardian of Time in single player on serious difficulty without dying or loading.
Complete the game in single player on unmodified serious difficulty.
Find all secrets in single player.
Decipher all Egyptian texts.
Find at least 50 secrets in single player.
Find Sam's classic outfit
Complete the single player campaign.
Complete the game in single player in half the estimated time on each level.
Complete the game in single player without manually reloading, aiming or sprinting.
Complete any level in single player.
Complete a Coin-op cooperative game on normal or higher difficulty.
Complete the campaign in cooperative with at least 2 players.
Find the Vista secret.
Pick up 100 gold coins.
Pick up at least 10 extra life items.
Earn a gold medal in Survival.
Earn a medal in Survival.
Win 10 deathmatch games.
Complete a deathmatch game with at least 1 frag.
Make at least 3 kills in one Instant Kill match.
Complete a Beast Hunt match
Score a total of 10 points in CTF matches.
Win one round in Last Man Standing game with at least 4 players.
Frag 20 players with the Sledgehammer.
Win a versus match.
Win one My Burden match with at least 3 players.
Awake the Guardian of Time.
Kill at least 5 headless kamikazes in one explosion.
Gib 20 enemies from close range with a shotgun.
Decapitate a Khnum.
Blow a Major Biomechanoid into pieces.
Kill at least 3 enemies in one spinning Sledgehammer attack.
Power up the Timelock.
Kill the kicked enemy while it is still in the air.
Use the Mutilator to surf after a Werebull.
Kill 20 enemies with the Minigun without releasing the trigger.
Kill a Witch-Bride of Achriman.
Pierce 5 enemies with one Devastator round.
Kill 5 Cave Demons while they're in air.
Rip Scrapjack's head off.
Perform all possible finishing moves in the game.
Kill an enemy using the Mutilator.
Solve the riddle of the Sphynx.
Kill 3 enemies in one sprint with the Sledgehammer.
Kill an enemy with a gib torn from another enemy.
Smash 20 Kleers with the Sledgehammer.
Break 5 Arachnoid necks.
Rip 10 Juvenile spiders apart.
Secure the bird.
Tear off 10 Kleer heads.
Break 10 Soldier necks.
Remove 10 Gnaar eyes.
Rescue professor Stein. So to say.
Squash 10 Hatchling spiders.
Complete any level in cooperative with at least 2 players.
Decipher an Egyptian text.
Rip out 10 Rocketeer hearts.
Complete the Jewel of The Nile single player campaign.